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Codebook for NHGIS data file 'nhgis0017_ds244_20195_2019_blck_grp'
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Contents
    - Data Summary
    - Data Dictionary
    - Citation and Use
 
Additional documentation on NHGIS data sources is available at: 
    https://www.nhgis.org/documentation/tabular-data 
 
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Data Summary
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Year:             2015-2019
Geographic level: Block Group (by State--County--Census Tract)
Dataset:          2019 American Community Survey: 5-Year Data [2015-2019, Block Groups & Larger Areas]
   NHGIS code:    2015_2019_ACS5a
   NHGIS ID:      ds244
Breakdown(s):     Geographic Subarea:
                     Total area (00)
Data type(s):     (E) Estimates
                  (M) Margins of error
 
Tables:
 
1. Households by Type
   Universe:    Households
   Source code: B11012
   NHGIS code:  ALVZ
 
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Data Dictionary
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Context Fields 
        GISJOIN:     GIS Join Match Code
        YEAR:        Data File Year
        STUSAB:      State Postal Abbreviation
        REGIONA:     Region Code
        DIVISIONA:   Division Code
        STATE:       State Name
        STATEA:      State Code
        COUNTY:      County Name
        COUNTYA:     County Code
        COUSUBA:     County Subdivision Code
        PLACEA:      Place Code
        TRACTA:      Census Tract Code
        BLKGRPA:     Block Group Code
        CONCITA:     Consolidated City Code
        AIANHHA:     American Indian Area/Alaska Native Area/Hawaiian Home Land Code
        RES_ONLYA:   American Indian Area/Alaska Native Area (Reservation or Statistical Entity Only) Code
        TRUSTA:      American Indian Area (Off-Reservation Trust Land Only)/Hawaiian Home Land Code
        AIHHTLI:     American Indian Trust Land/ Hawaiian Home Land Indicator
        AITS:        American Indian Tribal Subdivision (FIPS)
        ANRCA:       Alaska Native Regional Corporation Code
        CBSAA:       Metropolitan Statistical Area/Micropolitan Statistical Area Code
        CSAA:        Combined Statistical Area Code
        METDIVA:     Metropolitan Division Code
        MEMI:        Metropolitan/Micropolitan Indicator Flag
        NECTAA:      New England City and Town Area Code
        CNECTAA:     Combined New England City and Town Area Code
        NECTADIVA:   New England City and Town Area Division Code
        UAA:         Urban Area Code
        CDCURRA:     Congressional District (2019-2021, 116th Congress) Code
        SLDUA:       State Legislative District (Upper Chamber) Code
        SLDLA:       State Legislative District (Lower Chamber) Code
        ZCTA5A:      5-Digit ZIP Code Tabulation Area Code
        SUBMCDA:     Subminor Civil Division Code
        SDELMA:      School District (Elementary)/Remainder Code
        SDSECA:      School District (Secondary)/Remainder Code
        SDUNIA:      School District (Unified)/Remainder Code
        UR:          Urban/Rural
        PCI:         Principal City Indicator
        PUMA5A:      Public Use Microdata Sample Area (PUMA) Code
        GEOID:       Census Geographic Identifier
        BTTRA:       Tribal Census Tract Code
        BTBGA:       Tribal Block Group Code
 
Data Type (E):
    Estimates
 
        NAME_E:      Area Name
 
    Table 1:     Households by Type
    Universe:    Households
    Source code: B11012
    NHGIS code:  ALVZ
        ALVZE001:    Total
        ALVZE002:    Married-couple household
        ALVZE003:    Married-couple household: With own children under 18 years
        ALVZE004:    Married-couple household: With no own children under 18 years
        ALVZE005:    Cohabiting couple household
        ALVZE006:    Cohabiting couple household: With own children of the householder under 18 years
        ALVZE007:    Cohabiting couple household: With no own children of the householder under 18 years
        ALVZE008:    Female householder, no spouse or partner present
        ALVZE009:    Female householder, no spouse or partner present: Living alone
        ALVZE010:    Female householder, no spouse or partner present: With own children under 18 years
        ALVZE011:    Female householder, no spouse or partner present: With relatives, no own children under 18 years
        ALVZE012:    Female householder, no spouse or partner present: With only nonrelatives present
        ALVZE013:    Male householder, no spouse or partner present
        ALVZE014:    Male householder, no spouse or partner present: Living alone
        ALVZE015:    Male householder, no spouse or partner present: With own children under 18 years
        ALVZE016:    Male householder, no spouse or partner present: With relatives, no own children under 18 years
        ALVZE017:    Male householder, no spouse or partner present: With only nonrelatives present
 
Data Type (M):
    Margins of error
 
        NAME_M:      Area Name
 
    Table 1:     Households by Type
    Universe:    Households
    Source code: B11012
    NHGIS code:  ALVZ
        ALVZM001:    Total
        ALVZM002:    Married-couple household
        ALVZM003:    Married-couple household: With own children under 18 years
        ALVZM004:    Married-couple household: With no own children under 18 years
        ALVZM005:    Cohabiting couple household
        ALVZM006:    Cohabiting couple household: With own children of the householder under 18 years
        ALVZM007:    Cohabiting couple household: With no own children of the householder under 18 years
        ALVZM008:    Female householder, no spouse or partner present
        ALVZM009:    Female householder, no spouse or partner present: Living alone
        ALVZM010:    Female householder, no spouse or partner present: With own children under 18 years
        ALVZM011:    Female householder, no spouse or partner present: With relatives, no own children under 18 years
        ALVZM012:    Female householder, no spouse or partner present: With only nonrelatives present
        ALVZM013:    Male householder, no spouse or partner present
        ALVZM014:    Male householder, no spouse or partner present: Living alone
        ALVZM015:    Male householder, no spouse or partner present: With own children under 18 years
        ALVZM016:    Male householder, no spouse or partner present: With relatives, no own children under 18 years
        ALVZM017:    Male householder, no spouse or partner present: With only nonrelatives present
 
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Citation and Use of NHGIS Data
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        Steven Manson, Jonathan Schroeder, David Van Riper, Tracy Kugler, and Steven Ruggles. 
        IPUMS National Historical Geographic Information System: Version 15.0 
        [dataset]. Minneapolis, MN: IPUMS. 2020. 
        http://doi.org/10.18128/D050.V15.0

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        The College of William and Mary and the Minnesota Population Center.
        School Attendance Boundary Information System (SABINS): Version 1.0.
        Minneapolis, MN: University of Minnesota 2011.

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